/*
    SEL - Simple DirectMedia Layer Extension Library
    Copyright (C) 2001 Matej Knopp <knopp@users.sf.net>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "mutex.h"
#include "error.h"
#include "debug.h"

namespace SEL
{

Mutex::Mutex ()
{
	m_mutex = SDL::CreateMutex ();
	if (!m_mutex) 
	{
		debug ("Couldn't create Mutex.");
		throw Error (SDL::GetError ());
	}
}

Mutex::~Mutex ()
{
	if (m_mutex)
		SDL::DestroyMutex (m_mutex);	
}

Semaphore::Semaphore (Uint32 initial_value)
{
	m_sem = SDL::CreateSemaphore (initial_value);
	if (!m_sem)
	{
		debug ("Couldn't create Semaphore.");
		throw Error (SDL::GetError ());
	}
}
	
Semaphore::~Semaphore ()
{
	if (m_sem) 
	{
		SDL::DestroySemaphore (m_sem);
	}
}

Cond::Cond ()
{
	m_cond = SDL::CreateCond ();
	if (!m_cond)
	{
		debug ("Couldn't create Cond.");
		throw Error (SDL::GetError ());
	}
}

Cond::~Cond ()
{
	if (m_cond)
		SDL::DestroyCond (m_cond);
}

} // namespace SEL
